304889680

素因数分解:

$2^4\times 5^1\times {\mathrm{3811121}}^1$

素因数の和:3811134

約数の個数: 20

約数和(自身を含む): 708868692

約数和(自身を除く): 403979012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3811121, 7622242, 15244484, 19055605, 30488968, 38111210, 60977936, 76222420, 152444840, 304889680]

約数ペア:

[(1, 304889680), (2, 152444840), (4, 76222420), (5, 60977936), (8, 38111210), (10, 30488968), (16, 19055605), (20, 15244484), (40, 7622242), (80, 3811121)]